Home / 1,137,451,446.12-1,569,547,052.18-628,745,441.37

Finding the Fourth Proportional to 1,137,451,446.12, 1,569,547,052.18 and 628,745,441.37

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Solution

The fourth proportional to 1,137,451,446.12, 1,569,547,052.18 and 628,745,441.37 is: 867,593,564.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,451,446.12 : 1,569,547,052.18 = 628,745,441.37 : x
  2. Step 2: Convert to fraction form
    1,137,451,446.12/1,569,547,052.18 = 628,745,441.37/x
  3. Step 3: Cross multiply
    1,137,451,446.12x = 1,569,547,052.18 × 628,745,441.37
  4. Step 4: Simplify right side
    1,137,451,446.12x = 986,845,554,078,695,424
  5. Step 5: Solve for x
    x = 986,845,554,078,695,424/1,137,451,446.12
  6. Step 6: Final answer
    x = 867,593,564.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.